simple spectrum 中文意思是什麼

simple spectrum 解釋
單譜
  • simple : adj ( pler; plest)1 單純的;簡單的,簡易的;輕便的。2 質仆的,自然的,天真的;樸素的;率直的,...
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下,只計及最近鄰的矩陣元,採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響,發現電子能譜發生了移動,化學勢不等於格點原子能級,各格點的電子密度也發生了變化,其中以表面格點的電子密度變化最大。
  2. On our way to albany, we suddenly noticed two beams of light in the colors of the spectrum shining from the city into the gloomy sky. it looked as though god had cast his light of blessing on the people there. the emissions of such brilliant light beams from the city of our destination strengthened our belief that the light would lead the simple - hearted people to god s home

    在到albany的路上,灰幽的天空中,突然兩道彩虹從該城直射上空,像是上帝大放光彩加持這城市的子民,看著即將到達的城市有如此的光芒,相信這道光引領此單純的人民進入上帝的故鄉。
  3. Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum

    與已經存在的任何一種單隨機方案相比,雙隨機調制技術驅散諧波能量而使之具有更寬的帶寬,能更加有效地減少功率變換器系統的離散譜峰值。
  4. Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small

    文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪,通過對其降噪效果及頻譜的測量分析,發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。
  5. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    本論文採用三水準設防、兩階段設計方法、彈性反應譜計算理論,運用橋梁結構非線性地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集大量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對位移的簡便計算方法;並綜合國內外的經驗值,提出梁的支承長度se的設計原則;同時運用動力學突加荷載的原理,推導分析了預應力鋼絞線式(鋼棒連接式)落梁防止裝置設計承載力的計算方法和設計伸長量s _ f的取值;最後本文通過實橋計算,說明了落梁防止系統設計的方法。
  6. The statistic of wavelet transform coefficient algorithm can solve the periodic noise, high - energy noise and some non - gauss noise simply and effectively ; bi - spectrum can acquire more information from the original signal than power - spectrum, detect more information except from range and restrain the gauss noise. short - time speech signal can be considered as stationary and with periodic non - gauss signal, so we can make use of bi - spectrum to obtain the speech character and separate the speech and noise and detect morse telegraph signal ; complex number spectrum variance algorithm is put forward based on the deeply observing speech data, it is a new algorithm, experiment show that it is simple, effective

    統計演算法在解決周期信號、高能噪聲和高斯信號方面有獨特之處,能簡單有效提取以上噪聲的特徵;雙譜能夠提供比功率譜更多的有用信息,有效地檢測信號幅度之外的其它信息,並能有效抑制高斯噪聲,短時語音信號一般認為是平穩且有一定的周期性的非高斯信號,因而可以利用雙譜來提取語音信號特性並實現信噪分離;復數譜方差演算法是在對語音信號進行深入觀察和分析的基礎上而提出來的一種全新的語音特徵提取方法,此方法簡單而有效的提取了語音、噪聲的特徵以及檢測莫爾斯信號,基於實驗表明,該演算法取得了很好的效果。
  7. In the first session the fans vibration on - line monitoring system is realized with vc language, also compile auto power spectrum density function, cross power spectrum density function, autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis

    首先用穩定性強、擴展性好的vc + +語言開發了通風機振動在線監測系統,並編寫了自功率譜密度函數、互功率譜密度函數、自相關函數和互相關函數等頻譜分析函數來進行簡單的離線故障診斷。
  8. The second part studies the characteristics of cdma2000 1x reverse link, and implements a softcore design of the cdma20001x rtl soc with hdl ( hardwire desciptionin language ) verilog in accordance with the is - 2000 specifications. the model include the softcore of a spread spectrum modulation and a simple 8 - bit processor. as the same time simulate all the parts of the soc softcore with software modesim

    ,本文的第二部分認真的研究了cdma20001x的反向鏈路的特點,設計反向鏈路的擴頻調製片上系統方案。用硬體語言verilog設計cdma20001x的擴頻調製片上系統的ip軟核。其中包括擴頻調制部分和一個8位的cpu設計。
  9. Lastly, aiming at the poor results which all current algorithms do for directional textures, and cannot synthesis texture directly, aiming at the particularity of this kind of textures, we bring forward the conceptions of non frontal parallel textures and frontal parallel textures. by analyzing texture ' s direction through fourier spectrum, we introduce the conception of main direction, and solve the approximation value of texture ' s main direction by discrete approximated approach. by this way, we can synthesis indirectly simple structural non frontal parallel textures

    最後針對現有演算法對帶有方向的紋理合成效果差,無法直接合成紋理圖像的難點,本論文首先提出了非正平行紋理與正平行紋理的概念,分析了它們之間的內在聯系,引入了兩個角度參數來描述紋理的朝向,採用傅立葉頻譜法分析紋理的方向特性,並提出了紋理主方向的概念,本論文引入離散逼近的方法來求解出紋理主方向的近似值,這樣我們就能用一種間接的方法合成簡單的結構性非正平行紋理。
  10. Although the structure of stbc decoding is very simple, it can achieve the same diversity gain as the method of mrc, and its use of the spectrum is very high. because of these advantages, sttb is referred into the 3gpp1

    由於空時分組碼編譯碼器的結構相當簡單,卻能獲得與最大比合併相同的分集增益,並且它的頻譜利用率高,已經被引用到3gpp1中。
  11. The aim of this paper is to relate structural inherent characteristic with exterior excitation, to wield experimental mode analysis technique and structure intension theory in order to separate structural leading mode under practical work state on base of spectrum analysis of exterior excitation and identification each rank mode parameter of structure. sequentially, the issue of space complex stress state in effect of static and dynamic coupling transforms into the issue of simple stress state ( under mode form ) in reciprocal effect of each rank mode in order to analyze structural dynamical intensity

    將結構本身的固有特性和外部激勵聯系在一起,運用實驗模態分析技術和結構強度理論,在對外部激勵進行譜分析和識別出結構各階模態參數的基礎上,分離出實際工作狀態下結構的主導模態,從而將一靜動耦合力作用下的空間復雜應力狀態問題轉化為各階模態相互作用下的簡單應力狀態(模態形態下)問題進行結構動強度分析。
  12. Piezoelectric quartz crystal ( pqc ) sensor has found its extensive application in various fields including analytical chemistry, life science, pharmaceutical chemistry, membrane science, surface science, and environmental monitoring because of its outstanding advantages such as high sensitivity, simple construction, convenient operation and low cost, etc. however, due to its broad sensing - spectrum, the selectivity of pqc is poor

    壓電石英晶體( pqc )傳感器因其具有靈敏度高、結構簡單、操作方便、成本低廉等優點而廣泛應用於分析化學、生命科學、藥物科學、表面科學、膜科學和環境科學等諸多領域。然而其響應具有廣譜性,選擇性能差。
  13. The inelastic demand spectra are established according to the new chinese seismic design code for buildings by means of force reduction factor r and ductility factor u, thus, a simple and practical method is established for seismic damage assessment in combination with capacity spectrum method ; the structure ' s push - over curve of second earthquake is gained by cutting the curve of quasi - test reversal load pattern method, thus, the structure ' s cumulate damage level can be computed by the capacity spectrum method too ; the results of an example are compared with the facts, and the validity and simplicity of this method is approved

    利用r -關系基於抗震規范彈性反應譜建立了能力譜方法中的需求譜,並將該法和能力譜方法結合,建立了一種簡單實用的結構損傷評估方法;對擬靜力循環往復加載曲線的截取,得到了第二次地震作用的push - over曲線,從而能夠繼續使用能力譜方法得到結構物的累積損傷值;通過算例闡述了該法的計算步驟,所得結果符合基本規律,且具有概念明確、簡單實用的優點。
  14. The square detection can picks up the carrier frequencies, which is simple and has great performance. but this method can ’ t recognize the signal as spread spectrum signal. the spectral correlation detection method can estimates the chip rate of signal ’ s pn sequence

    然後,針對異步的cdma信號,採用延遲相乘的方法檢測用戶數目,同時估計出各用戶信號的幅值和相位;該方法的缺點是各用戶信號必須有一定的相差,同時用戶數不能太多。
  15. We adopt double alkali cathodal tube 9789qb, which was made by emi corporation in england, as our photomultiplier, whose spectrum ranges between 300nm to 650nm, with less noise counters and single - photon apices, which make it suitable as a single - photon - counter. the disparted - voltage device is designed in a reasonable way and the cooling system of iquefied nitrogen which makes it small in size, simple in structure, easy in processing, cheap in cost and good in performance

    該管型的光譜范圍在300 650nm ,具有暗計數少,有單光子峰的特點,適于做單光子計數器;本文的光電倍增管分壓器設計合理而冷卻系統採用液氮,該系統體積小、結構簡單、加工便利、成本低廉且性能良好。
  16. The method was more simple than other method with good purification effect and low cost. one of the five kinds of polysaccharides, could inhibit sw1990 cell growth effectively. ir spectrum showed that the polysaccharides ( in ) which were extracted with hot water was acidity polysaccharides

    接著研究了乾苔多糖與固定化藻藍蛋白的協同抑癌作用,實驗表明,活性多糖組分可協同光固定化藻藍蛋白,使對sw1990細胞的抑制率由40提高到80 。
  17. The main work and achievements are summarized as follows : according to the spectrum analysis theory, the simple formula of the power spectrum between the excitation and the response is obtained. then the time - domain statistical properties of the structural response are acquired through fourier inverse transform, and cauchy ' s residue theorem is applied to solving the integral of fourier inverse transform, the structural dynamic reliability is calculated in terms of possion hypothesis based on first passage failure

    主要研究內容如下:從譜分析理論出發,得到了激勵與響應功率譜之間的簡明關系式,由fourier逆變換得到響應的時域特徵,利用cauchy留數理論處理fourier逆變換的積分式,基於首超破壞的possion假設計算結構系統的動力可靠性,並在此基礎上進行結構優化設計,奠定了確定性模型的基礎。
  18. The paper also utilized vb and visal fortran two kinds of programming languages and worked out waves of making and control the software again, this software is operated under windows operating system, way to operate through the menu, can be finished producing from the wave signal data file under a window, make wave control, spectrum analyse and wave machine initialize and parameter person who set up work to data that gather, it is simple and convenient to operate

    本文還利用vb與visualfortran兩種編程語言重新開發了造波控制軟體,該軟體運行在windows操作系統下,通過菜單操作的方式,在一個窗口下就可以完成從波浪信號數據文件生成、造波控制、對採集的數據進行譜分析以及造波機初始化及參數設置等全部工作,操作簡單方便。
  19. The product spectrum ranges from simple carbon steel and low - alloy steels to high - quality carbon steels

    產品種類范圍從簡單的碳鋼和低合金鋼到高質量的碳鋼。
  20. The moving manner of reciprocating i. c. e. shows its working processing of shock characteristic, simultaneously generates wild vibration and noise signal and often changes its operate speed. so it ' s difficult to get unique and simple spectrum unlike a rotary machine

    內燃機往復式活塞和曲柄連桿機構的運動方式,決定了它具有沖擊特點的工作過程,並且在實際應用中這種過程還是變工況的,它所產生的振動與噪聲信號十分雜亂,不像旋轉機械那樣具用簡潔的頻譜特徵。
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